Mailgun vs Customer.io: which is cheaper?

TrackRival snapshots both daily - see the plan tables above for the latest tracked tiers.

Does Mailgun or Customer.io have a free plan?

Neither Mailgun nor Customer.io shows a free plan in the latest snapshot.

Is Mailgun a good email alternative to Customer.io?

Mailgun and Customer.io are both tracked in TrackRival's email category. Use the changelog section below to compare shipping cadence, not just headline pricing.

How often is this Mailgun vs Customer.io comparison updated?

TrackRival refreshes pricing snapshots daily and appends new changelog entries whenever either product ships a release.

Mailgun vs Customer.io: Pricing, Features & Changelog Comparison (2026)

Mailgun vs Customer.io

A side-by-side comparison of pricing, plans, and recent product updates. Pricing data syncs daily once the product launches.

Mailgun

Email sending, validation, and deliverability tools.

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Category: email
Plans tracked: —
Entry price: —
Free plan?: —

See full Mailgun pricing & changelog →

Customer.io

Messaging automation for lifecycle and product email.

Visit →

Category: email
Plans tracked: —
Entry price: —
Free plan?: —

See full Customer.io pricing & changelog →

Plan-by-plan pricing

Mailgun

Pricing data is being collected.

Customer.io

Pricing data is being collected.

Mailgun vs Customer.io FAQ

Mailgun vs Customer.io: which is cheaper?: TrackRival snapshots both daily - see the plan tables above for the latest tracked tiers.
Does Mailgun or Customer.io have a free plan?: Neither Mailgun nor Customer.io shows a free plan in the latest snapshot.
Is Mailgun a good email alternative to Customer.io?: Mailgun and Customer.io are both tracked in TrackRival's email category. Use the changelog section below to compare shipping cadence, not just headline pricing.
How often is this Mailgun vs Customer.io comparison updated?: TrackRival refreshes pricing snapshots daily and appends new changelog entries whenever either product ships a release.

Which should you pick?

Both Mailgun and Customer.io compete in the email space.

Choose Mailgun if you value: email sending, validation, and deliverability tools.
Choose Customer.io if you value: messaging automation for lifecycle and product email.
Subscribe to TrackRival if you want to be notified whenever either of them changes pricing or ships a major update — so you can react before your competitors do.

Mailgun vs Customer.io

Mailgun

Customer.io

Plan-by-plan pricing

Mailgun

Customer.io

Mailgun vs Customer.io FAQ

Which should you pick?

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Mailgun vs Customer.io

Mailgun

Customer.io

Plan-by-plan pricing

Mailgun

Customer.io

Mailgun vs Customer.io FAQ

Which should you pick?

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